30211121321243 has 2 divisors, whose sum is σ = 30211121321244. Its totient is φ = 30211121321242.

The previous prime is 30211121321137. The next prime is 30211121321257. The reversal of 30211121321243 is 34212312111203.

It is a strong prime.

It is an emirp because it is prime and its reverse (34212312111203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30211121321243 - 2²⁶ = 30211054212379 is a prime.

It is not a weakly prime, because it can be changed into another prime (30211121321273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105560660621 + 15105560660622.

It is an arithmetic number, because the mean of its divisors is an integer number (15105560660622).

Almost surely, 2^{30211121321243} is an apocalyptic number.

30211121321243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211121321243 is an equidigital number, since it uses as much as digits as its factorization.

30211121321243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 30211121321243 its reverse (34212312111203), we get a palindrome (64423433432446).

The spelling of 30211121321243 in words is "thirty trillion, two hundred eleven billion, one hundred twenty-one million, three hundred twenty-one thousand, two hundred forty-three".